SUPERNUS PHARMACEUTICALS INC

Ticker: SUPN CUSIP: 868459108 Class: EQTY

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

Note: Option positions (PUT/CALL) are excluded.

Q3 2018
Shares 63,754 Value ($000) $3,210 Avg Close $49.38 Range $41.80 - $59.75
Q2 2018
Shares 61,712 Value ($000) $3,693 Avg Close $51.80 Range $43.53 - $61.25
Q1 2018
Shares 61,653 Value ($000) $2,824 Avg Close $41.73 Range $34.90 - $48.65
Q4 2017
Shares 65,161 Value ($000) $2,597 Avg Close $39.52 Range $33.30 - $43.25
Q3 2017
Shares 63,244 Value ($000) $2,530 Avg Close $43.28 Range $36.16 - $50.05
Q2 2017
Shares 76,779 Value ($000) $3,309 Avg Close $35.59 Range $29.55 - $44.95
Q1 2017
Shares 59,362 Value ($000) $1,858 Avg Close $26.80 Range $23.10 - $32.00
Q4 2016
Shares 50,442 Value ($000) $1,274 Avg Close $22.34 Range $17.25 - $27.10
Q3 2016
Shares 47,175 Value ($000) $1,167 Avg Close $22.63 Range $20.19 - $26.84
Q2 2016
Shares 97,863 Value ($000) $1,993 Avg Close $17.74 Range $14.14 - $20.38
Q1 2016
Shares 106,405 Value ($000) $1,623 Avg Close $13.05 Range $9.51 - $15.99
Q4 2015
Shares 90,628 Value ($000) $1,218 Avg Close $15.47 Range $12.54 - $20.39
Q3 2015
Shares 96,031 Value ($000) $1,347 Avg Close $18.59 Range $13.32 - $23.30
Q2 2015
Shares 92,044 Value ($000) $1,563 Avg Close $14.23 Range $11.11 - $18.55
Q1 2015
Shares 93,981 Value ($000) $1,136 Avg Close $9.45 Range $7.97 - $12.38
Q4 2014
Shares 94,710 Value ($000) $786 Avg Close $8.40 Range $7.31 - $9.53
Q3 2014
Shares 109,130 Value ($000) $948 Avg Close $9.03 Range $7.94 - $11.47